- portals: replace zipfile with struct+zlib ZIP writer in portal download
(python3-light has no zipfile; GET /api/portals/<name>/download 500ed)
- capture: revive watchdog re-arms the 5 GHz deploy auto-capture if the
post-deploy radio settle kills it (was: empty pcap, dead tcpdump)
- capture: route GET /api/attacks/capture to status (was unrouted -> 404)
New tests/test_validation_fixes2.py covers each fix (TDD); full suite
(30 modules) green. Live-verified: download CRC-clean via stock zipfile,
capture survived settle window and revived automatically (56 MB pcap),
GET status returns proper JSON.
Round-2 validation report added at docs/validation/ (8/9 attack types
PASS against in-scope networks; enterprise PARTIAL per firmware limits).
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